Plumbing pipe



FIG. 1 is a perspective view of a plumbing pipe viewed from its left side.

FIG. 2 is a perspective view of a plumbing pipe viewed from its bottom.

FIG. 3 is a top plan view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a front view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a rear view thereof; and,

FIG. 8 is a bottom view thereof.

The broken line showing is included for the purpose of illustrating portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a plumbing pipe, as shown and described. 